9.1
CRITICAL
CVSS 3.1
CVE-2026-20750
Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)
Overview
Description
Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization.
Details
INFO
Published Date :
Jan. 22, 2026, 10:16 p.m.
Last Modified :
July 15, 2026, 2:18 a.m.
Remotely Exploit :
Yes !
Source :
88ee5874-cf24-4952-aea0-31affedb7ff2
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | CRITICAL | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c |
Solution
Validate project ownership for organization operations to prevent unauthorized modifications.
- Ensure proper project ownership validation.
- Restrict project modification access.
- Implement stricter access controls.
- Update to a patched version.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-20750.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-20750 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-20750
weaknesses.
CAPEC-19: Embedding Scripts within Scripts Embedding Scripts within Scripts
CAPEC-441: Malicious Logic Insertion Malicious Logic Insertion
CAPEC-478: Modification of Windows Service Configuration Modification of Windows Service Configuration
CAPEC-479: Malicious Root Certificate Malicious Root Certificate
CAPEC-502: Intent Spoof Intent Spoof
CAPEC-503: WebView Exposure WebView Exposure
CAPEC-536: Data Injected During Configuration Data Injected During Configuration
CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment Incomplete Data Deletion in a Multi-Tenant Environment
CAPEC-550: Install New Service Install New Service
CAPEC-551: Modify Existing Service Modify Existing Service
CAPEC-552: Install Rootkit Install Rootkit
CAPEC-556: Replace File Extension Handlers Replace File Extension Handlers
CAPEC-558: Replace Trusted Executable Replace Trusted Executable
CAPEC-562: Modify Shared File Modify Shared File
CAPEC-563: Add Malicious File to Shared Webroot Add Malicious File to Shared Webroot
CAPEC-564: Run Software at Logon Run Software at Logon
CAPEC-578: Disable Security Software Disable Security Software
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-20750 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-20750 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jul. 15, 2026
Action Type Old Value New Value Changed Affected [{'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-opc-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'packageName': 'openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}] -
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jun. 27, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Added CWE CWE-284 Added Reference https://access.redhat.com/security/cve/CVE-2026-20750 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2432216 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20750.json -
CVE Modified by 88ee5874-cf24-4952-aea0-31affedb7ff2
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Gitea', 'product': 'Gitea Open Source Git Server', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '1.25.3'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-20750', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-01-23T21:12:12.632348Z'} -
Initial Analysis by [email protected]
Jan. 29, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:* versions up to (excluding) 1.25.4 Added Reference Type Gitea Limited: https://blog.gitea.com/release-of-1.25.4/ Types: Release Notes Added Reference Type Gitea Limited: https://github.com/go-gitea/gitea/pull/36318 Types: Issue Tracking, Patch Added Reference Type Gitea Limited: https://github.com/go-gitea/gitea/pull/36373 Types: Issue Tracking, Patch Added Reference Type Gitea Limited: https://github.com/go-gitea/gitea/releases/tag/v1.25.4 Types: Release Notes Added Reference Type Gitea Limited: https://github.com/go-gitea/gitea/security/advisories/GHSA-h4fh-pc4w-8w27 Types: Broken Link -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 23, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N -
New CVE Received by 88ee5874-cf24-4952-aea0-31affedb7ff2
Jan. 22, 2026
Action Type Old Value New Value Added Description Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization. Added CWE CWE-284 Added Reference https://blog.gitea.com/release-of-1.25.4/ Added Reference https://github.com/go-gitea/gitea/pull/36318 Added Reference https://github.com/go-gitea/gitea/pull/36373 Added Reference https://github.com/go-gitea/gitea/releases/tag/v1.25.4 Added Reference https://github.com/go-gitea/gitea/security/advisories/GHSA-h4fh-pc4w-8w27
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.